diff options
Diffstat (limited to 'test/Analysis')
-rw-r--r-- | test/Analysis/ScalarEvolution/nsw.ll | 28 | ||||
-rw-r--r-- | test/Analysis/ScalarEvolution/scev-aa.ll | 7 |
2 files changed, 31 insertions, 4 deletions
diff --git a/test/Analysis/ScalarEvolution/nsw.ll b/test/Analysis/ScalarEvolution/nsw.ll index 010cf60..9d8e2b6 100644 --- a/test/Analysis/ScalarEvolution/nsw.ll +++ b/test/Analysis/ScalarEvolution/nsw.ll @@ -76,3 +76,31 @@ for.cond.for.end_crit_edge.i.i: ; preds = %for.body.i.i _ZSt4fillIPiiEvT_S1_RKT0_.exit: ; preds = %entry, %for.cond.for.end_crit_edge.i.i ret void } + +; Various checks for inbounds geps. +define void @test3(i32* %begin, i32* %end) nounwind ssp { +entry: + %cmp7.i.i = icmp eq i32* %begin, %end + br i1 %cmp7.i.i, label %_ZSt4fillIPiiEvT_S1_RKT0_.exit, label %for.body.i.i + +for.body.i.i: ; preds = %entry, %for.body.i.i + %indvar.i.i = phi i64 [ %tmp, %for.body.i.i ], [ 0, %entry ] +; CHECK: %indvar.i.i +; CHECK: {0,+,1}<nuw><nsw><%for.body.i.i> + %tmp = add nsw i64 %indvar.i.i, 1 +; CHECK: %tmp = +; CHECK: {1,+,1}<nuw><nsw><%for.body.i.i> + %ptrincdec.i.i = getelementptr inbounds i32* %begin, i64 %tmp +; CHECK: %ptrincdec.i.i = +; CHECK: {(4 + %begin),+,4}<nsw><%for.body.i.i> + %__first.addr.08.i.i = getelementptr inbounds i32* %begin, i64 %indvar.i.i +; CHECK: %__first.addr.08.i.i +; CHECK: {%begin,+,4}<nsw><%for.body.i.i> + store i32 0, i32* %__first.addr.08.i.i, align 4 + %cmp.i.i = icmp eq i32* %ptrincdec.i.i, %end + br i1 %cmp.i.i, label %_ZSt4fillIPiiEvT_S1_RKT0_.exit, label %for.body.i.i +; CHECK: Loop %for.body.i.i: Unpredictable backedge-taken count. +; CHECK: Loop %for.body.i.i: Unpredictable max backedge-taken count. +_ZSt4fillIPiiEvT_S1_RKT0_.exit: ; preds = %for.body.i.i, %entry + ret void +}
\ No newline at end of file diff --git a/test/Analysis/ScalarEvolution/scev-aa.ll b/test/Analysis/ScalarEvolution/scev-aa.ll index 866664a..dd5a66c 100644 --- a/test/Analysis/ScalarEvolution/scev-aa.ll +++ b/test/Analysis/ScalarEvolution/scev-aa.ll @@ -190,9 +190,8 @@ define void @bar() { ret void } -; TODO: This is theoretically provable to be NoAlias. ; CHECK: Function: nonnegative: 2 pointers, 0 call sites -; CHECK: MayAlias: i64* %arrayidx, i64* %p +; CHECK: NoAlias: i64* %arrayidx, i64* %p define void @nonnegative(i64* %p) nounwind { entry: @@ -211,6 +210,6 @@ for.end: ; preds = %for.body, %entry ret void } -; CHECK: 13 no alias responses -; CHECK: 27 may alias responses +; CHECK: 14 no alias responses +; CHECK: 26 may alias responses ; CHECK: 18 must alias responses |